TABLE II.
Descriptive Characteristics and Comparison of Patients with Only Baseline Assessment and with Complete Follow-up*
| Variable | Baseline Only (N = 482) | Complete Follow-up (N = 845) | All Patients (N = 1,327) |
| Musculoskeletal morbidity grade† | |||
| 1 | 141 (30.5%) | 275 (32.9%) | 416 (32.1%) |
| 2 | 167 (36.1%) | 312 (37.4%) | 479 (36.9%) |
| 3 | 55 (11.9%) | 57 (6.8%) | 112 (8.6%) |
| 4 | 100 (21.6%) | 191 (22.9%) | 291 (22.4%) |
| Age‡ (yr) | 65.7 ± 11.3 | 65.7 ± 10.6 | 65.7 ± 10.9 |
| Sex† | |||
| Male | 200 (43.0%) | 359 (44.8%) | 559 (44.1%) |
| Female | 265 (57.0%) | 443 (55.2%) | 708 (55.9%) |
| BMI‡ (kg/m2) | 27.0 ± 4.3 | 27.8 ± 4.4 | 27.5 ± 4.4 |
| Living situation† | |||
| Alone | 134 (28.3%) | 207 (24.6%) | 341 (25.9%) |
| With spouse or partner | 309 (65.2%) | 591 (70.1%) | 900 (68.3%) |
| With somebody else | 31 (6.5%) | 45 (5.3%) | 76 (5.8%) |
| Anxiety or depression† | |||
| None | 198 (47.6%) | 500 (59.9%) | 698 (55.8%) |
| Moderate | 187 (45.0%) | 309 (37.0%) | 496 (39.7%) |
| Extreme | 31 (7.5%) | 26 (3.1%) | 57 (4.6%) |
| Years of hip pain† | |||
| <1 | 57 (12.0%) | 84 (10.0%) | 141 (10.7%) |
| 1 to 2 | 132 (27.9%) | 242 (28.8%) | 374 (28.5%) |
| 3 to 5 | 148 (31.2%) | 255 (30.4%) | 403 (30.7%) |
| >5 | 137 (28.9%) | 259 (30.8%) | 396 (30.1%) |
| ASA class† | |||
| 1 | 92 (21.1%) | 117 (15.8%) | 209 (17.8%) |
| 2 | 250 (57.3%) | 469 (63.5%) | 719 (61.2%) |
| 3 or 4 | 94 (21.6%) | 153 (20.7%) | 247 (21.0%) |
| Preoperative WOMAC scores‡ (points) | |||
| Pain | 57.9 ± 18.0 | 54.2 ± 17.6 | 55.4 ± 17.8 |
| Stiffness | 60.5 ± 22.0 | 60.5 ± 20.1 | 60.5 ± 20.7 |
| Function | 63.3 ± 16.8 | 58.6 ± 16.5 | 60.1 ± 16.7 |
Data were missing for the following patients: 29 patients (2.2%) in both the musculoskeletal morbidity grade and age categories; 60 patients (4.5%) in the sex category; 102 patients (7.7%) in the BMI category; 10 patients (0.8%) in the living situation category; 76 patients (5.7%) in the anxiety or depression category; 13 patients (1.0%) in the years of hip pain category; 152 patients (11.5%) in the ASA class category; and, in the preoperative WOMAC score categories, 72 (5.4%) for pain, 61 (4.6%) for stiffness, and 74 (5.6%) for function.
The values are given as the number of patients with data available, with the percentage in parentheses.
The values are given as the mean and the standard deviation.